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python - 如果poetry.lock 包含两次相同的包是什么意思？

问题描述

我刚刚发现poetry update生成的package.lock文件包含该块

[[package]]
name = "black"
version = "21.8b0"
description = "The uncompromising code formatter."
category = "dev"
optional = false
python-versions = ">=3.6.2"

[package.dependencies]
click = ">=7.1.2"
mypy-extensions = ">=0.4.3"
pathspec = ">=0.9.0,<1"
platformdirs = ">=2"
regex = ">=2020.1.8"
tomli = ">=0.2.6,<2.0.0"
typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}

[package.extras]
colorama = ["colorama (>=0.4.3)"]
d = ["aiohttp (>=3.6.0)", "aiohttp-cors (>=0.4.0)"]
jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
python2 = ["typed-ast (>=1.4.2)"]
uvloop = ["uvloop (>=0.15.2)"]

[[package]]
name = "black"
version = "21.9b0"
description = "The uncompromising code formatter."
category = "dev"
optional = false
python-versions = ">=3.6.2"

[package.dependencies]
click = ">=7.1.2"
mypy-extensions = ">=0.4.3"
pathspec = ">=0.9.0,<1"
platformdirs = ">=2"
regex = ">=2020.1.8"
tomli = ">=0.2.6,<2.0.0"
typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}

[package.extras]
colorama = ["colorama (>=0.4.3)"]
d = ["aiohttp (>=3.6.0)", "aiohttp-cors (>=0.4.0)"]
jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
python2 = ["typed-ast (>=1.4.2)"]
uvloop = ["uvloop (>=0.15.2)"]

[[package]]
name = "black"
version = "21.10b0"
description = "The uncompromising code formatter."
category = "dev"
optional = false
python-versions = ">=3.6.2"

[package.dependencies]
click = ">=7.1.2"
mypy-extensions = ">=0.4.3"
pathspec = ">=0.9.0,<1"
platformdirs = ">=2"
regex = ">=2020.1.8"
tomli = ">=0.2.6,<2.0.0"
typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}

[package.extras]
colorama = ["colorama (>=0.4.3)"]
d = ["aiohttp (>=3.7.4)"]
jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
python2 = ["typed-ast (>=1.4.3)"]
uvloop = ["uvloop (>=0.15.2)"]

如您所见，有 black21.8b0和 black21.9b0和 black 21.10b0。这意味着什么？将安装哪个版本？

标签： pythonpython-poetry

解决方案

这看起来像是要考虑的中间选项池的转储，称为诗歌中的事务（例如，具有取决于不同平台标记的版本的包）。默认情况下，可以根据“最新”规则做出决定。

我可以重现这种行为

[tool.poetry.dependencies]
python = "~3.8"
numpy = [
    {version="1.18.*",markers="python_version=='3.8.*'"},
    {version="1.21.*",markers="python_version=='3.9.*'"},
]

并poetry install --dry-run -vv在锁定文件中生成两个版本。

你用什么诗？我认为该文件在最近的版本中得到了清理，仅表明最终选择。

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